37results about How to "Automatic protection" patented technology

The invention relates to a fuel economizer of a rich oxygen type fuel engine controlled by a single chip. The single chip is provided with four testing control ends and one power supply input end, the power supply input end is connected with a generator port of a fuel engine and a storage battery port of a starting engine through a power supply voltage converter, or is directly connected with a special power supply, the four testing control ends are respectively connected with the output frequency control end of a power amplifier of a high-voltage discharge rich oxygen generator, the control end of an electromagnetic gas pump, the signal input end of a fault monitoring device and the input end of an engine work state monitoring controller. The invention can monitor the load change condition of the engine in real time, and the rich oxygen generation amount of a rich oxygen unit is regulated in time through changing the power supply frequency and the voltage of the discharge unit and changing the work frequency of the electromagnetic gas pump, so the engine is in the optimum work state all the time, and the goal of fuel economization is reached. The work state of the device per se can be monitored, and automatic protection can be realized during fault occurrence.

The invention provides a more-electric aircraft distributed power distribution control framework based on intelligent contactors. The control framework comprises a plurality of intelligent contactors, a communication bus and a distributed power distribution control module. The distributed power distribution control module is connected to the plurality of intelligent contactors through the communication bus. Original ordinary contactors are placed by the intelligent contactors which are provided with detection and control chips and can automatically detect input voltages and currents for automatic protection and update state information to the distributed power distribution control module through the communication bus. The framework solves the problems of complicated lines, low reliability and the like due to a conventional centralized power distribution control framework, and distributed intelligent power distribution control is realized in a communication mode of the bus, so that system lines are simplified and the reliability and the flexibility are improved.

The system comprises: a database operation engine for getting and saving the information about the network; a adjacency-matrix building module for converting the network topology structure into the undirected graph in order to calculate the shortest path between the source end and the destination end; a route calculating module for calculating the shortest path between the source end and the destination end; a resources acquiring module for getting the VPI / VCI value of each port; a PVC building module for building the PVC in each network element; and a quit processing module for executing the roll-back operation for failure to build end-to-end PVC.

The present invention relates to a high-tension cable protection device, and relates to the field of the electric power auxiliary tool technology. The device comprises a control box (13), a power device and a protective device. The control box (13) is arranged on a first rod body (15) and is connected with a power device; the power device is composed of a sliding rod (1) and a pulley (5), one end of the sliding rod (1) is arranged on the first rod body (15), the other end of the sliding rod (1) is arranged on the second rod body (2), the pulley (5) is arranged in the sliding rod (1) which is arranged in parallel with a high-tension cable, the first rod body (15) and the high-tension cable (3) are provided with protection devices, and the second rod body (2) and the high-tension cable (3) are connected with a supplying head (4). The high-tension cable protection device is high in practicality and simple to use, and can automatically and effectively prevent the high-tension cable from being damaged by external force so as to prolong the service life of the high-tension cable and save a lot of cost and manpower investment.

The invention relates to the technical field of special operation robots, and discloses an abnormal fall protection alarm auxiliary equipment suitable for high-altitude operation robots, including an early warning pole, the top of the early warning pole is movably connected with an early warning spring, and the top of the early warning spring is movably connected There is an extrusion block, the top of the extrusion block is movably connected with a transmission rod, the top of the transmission rod is movably connected with a counterweight, the top of the counterweight is movably connected with a return spring, and the outer part of the early warning lever is movably connected with a sliding The magnetic block, through the counterweight, will be in a state of weightlessness for a short time due to the action of inertia, thereby compressing the return spring to deform it and then drive the transmission rod to move upward, and then make the top of the ignition wire generate an electric spark to ignite the fuel inside the buffer airbag, Its combustion produces a large amount of gas to make the buffer airbag expand to achieve a buffering effect, thereby achieving the effect of automatically protecting the robot from falling when the aerial work robot falls.

The present invention relates to a high-tension cable protection device, and relates to the field of the electric power auxiliary tool technology. The device comprises a control box (13), a power device and a protective device. The control box (13) is arranged on a first rod body (15) and is connected with a power device; the power device is composed of a sliding rod (1) and a pulley (5), one end of the sliding rod (1) is arranged on the first rod body (15), the other end of the sliding rod (1) is arranged on the second rod body (2), the pulley (5) is arranged in the sliding rod (1) which is arranged in parallel with a high-tension cable, the first rod body (15) and the high-tension cable (3) are provided with protection devices, and the second rod body (2) and the high-tension cable (3) are connected with a supplying head (4). The high-tension cable protection device is high in practicality and simple to use, and can automatically and effectively prevent the high-tension cable from being damaged by external force so as to prolong the service life of the high-tension cable and save a lot of cost and manpower investment.

The invention relates to a wind power generator of a vertical shaft with gravity and friction reduced by magnetic suspension, which comprises a wind wheel, a generator with a stator, a rotor and a generator shaft, wherein, the permanent stator magnet and the permanent rotor magnet of a magnetic suspension bearing are respectively fixed on the stator and the rotor and arranged top down with the permanent stator magnet under the permanent rotor magnet and the two opposite surfaces have the same polarity. The permanent stator magnet and the permanent rotor magnet of the magnetic suspension bearing are arranged inside the generator with compact structure. The wind power generator has simple integral structure and convenient site installation. The clearance of the upwards running and the downwards running of the generator shaft is less than that of the two opposite surfaces of the permanent stator magnet and the permanent rotor magnet, thus avoiding the contact of the permanent stator magnet and the permanent rotor magnet and protecting the permanent stator magnet and the permanent rotor magnet automatically. After the disappearance of special external force, the generator shaft resetsautomatically.

The invention provides a novel automatic orchard picking operation platform. The picking operation platform includes a mobile vehicle, a console installed on the mobile vehicle, a conveying device, an automatic sorting device, an automatic bagging device, a packing device and the mobile vehicle. Through the cooperation of various devices, automatic bagging and sorting can be realized, and a foam protection bag can be automatically set for a single apple, and a variety of packing modes can be provided through multiple rotating tables combined with different methods of use, and the fruit can be picked from picking to packing. It allows farmers to sell the fruit immediately after picking it, eliminating the need for labor-intensive and time-consuming links in the middle.

The invention discloses an electric heating furnace used drinking water oxygenator with function in preventing impurities from entering in. The electric heating furnace used drinking water oxygenatorstructurally comprises an electric heating furnace main body, a heating panel, an oxygenator and support pads; the support pads are connected at the four corners of the bottom end of the electric heating furnace main body in a locking manner; the heating panel is inlaid and buckled at the middle part of the top end of the electric heating furnace main body; the electric heating furnace main body is in electric connection with the heating panel; the oxygenator is connected with the electric heating furnace main body in a locking manner; electric connection is adopted between the oxygenator andthe electric heating furnace main body; and the oxygenator passes through the top end of the heating panel. When in use, the invention has the following advantages: 1. an oxygenation port is automatically protected through the arranged protection device when the equipment is used, and the protection to the oxygenation port is automatically removed when the oxygen is filled, thereby better preventing the impurities from entering into the oxygenation port when not in use and better ensuring the cleanliness of the equipment when the oxygen is filled; and 2. the protective head of the equipment can be disassembled for cleaning by being pulled hard and the outer ring is disassembled via rotation after pulled out, thereby enabling the impurity collection trough of the protective head to be conveniently cleaned and facilitating the use.

The present invention provides a method and system for protecting terminal user data, wherein the method includes: when the server and the client have a network connection: the server monitors the online status of the client; when the server detects that the online status of the client is abnormal, A security alarm is issued to the user data of the terminal where the client is located; the online status of the client is abnormal, including: the client is not online within a set time, or the client is deleted. The invention does not need to add additional hardware to the terminal, and realizes automatic and convenient protection of terminal user data.

The invention discloses electrical automation equipment convenient for transferring and loading. The equipment comprises an equipment body. An oil storage cabinet is fixedly mounted at the position, close to one side, of the outer surface of the upper end of the equipment body. A gas relay is fixedly mounted on one side of the oil storage cabinet. A high-voltage sleeve and a low-voltage sleeve arefixedly mounted on the outer surface of the upper end of the equipment body. The low-pressure sleeve is arranged at the front end of the high-pressure sleeve. An oil discharging pipe is welded to theposition, close to the lower end, of the outer surface of one side of the equipment body. A base is welded to the lower end of the equipment body. Lifting rings are arranged on the outer surfaces ofthe two sides of the equipment body, and mounting bases are arranged at the lower ends of the lifting rings. The electrical automation equipment provided by the invention has the beneficial effects that the equipment can be placed more stably, meanwhile, a worker can conveniently move the equipment for truck loading; the lifting rings are arranged, so that the worker can conveniently lift the equipment during truck loading; and the equipment is more convenient during truck loading.

The invention discloses advertising board equipment suitable for a beach. The advertising board equipment comprises a bottom shell, wherein a power cavity is formed in the bottom shell, a wind power detection mechanism is arranged in the power cavity, a supporting rod extending out of the bottom shell is arranged at the upper end of the power cavity in a sliding mode, and a rack is arranged at theleft end of the supporting rod; and a wind power rotating shaft penetrating through the supporting rod is arranged in the supporting rod in a rotating mode. The advertising board equipment is simplein structure, easy and convenient to operate, capable of fully adapting to the tide rising and falling environment of the beach and capable of automatically adjusting the height of the advertising board according to tide rising and falling, so that the advertisement board can be obviously seen in any time. The equipment can supply power to itself, wind power is used for supplying power to liftingof the advertising board, the advertising board and the generator can be automatically protected according to the wind power, danger is reduced, the service life is prolonged, and the wind power generation device is high in working efficiency and high in integration degree.